4.38/1.84 YES 4.38/1.86 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.38/1.86 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.38/1.86 4.38/1.86 4.38/1.86 Termination of the given C Problem could be proven: 4.38/1.86 4.38/1.86 (0) C Problem 4.38/1.86 (1) CToIRSProof [EQUIVALENT, 0 ms] 4.38/1.86 (2) IntTRS 4.38/1.86 (3) TerminationGraphProcessor [SOUND, 29 ms] 4.38/1.86 (4) IntTRS 4.38/1.86 (5) IntTRSCompressionProof [EQUIVALENT, 40 ms] 4.38/1.86 (6) IntTRS 4.38/1.86 (7) RankingReductionPairProof [EQUIVALENT, 0 ms] 4.38/1.86 (8) YES 4.38/1.86 4.38/1.86 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (0) 4.38/1.86 Obligation: 4.38/1.86 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (1) CToIRSProof (EQUIVALENT) 4.38/1.86 Parsed C Integer Program as IRS. 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (2) 4.38/1.86 Obligation: 4.38/1.86 Rules: 4.38/1.86 f1(i) -> f2(x_1) :|: TRUE 4.38/1.86 f3(x) -> f4(arith) :|: TRUE && arith = x - 1 4.38/1.86 f2(x1) -> f3(x1) :|: x1 > 5 4.38/1.86 f4(x2) -> f2(x2) :|: TRUE 4.38/1.86 f2(x3) -> f5(x3) :|: x3 <= 5 4.38/1.86 Start term: f1(i) 4.38/1.86 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (3) TerminationGraphProcessor (SOUND) 4.38/1.86 Constructed the termination graph and obtained one non-trivial SCC. 4.38/1.86 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (4) 4.38/1.86 Obligation: 4.38/1.86 Rules: 4.38/1.86 f2(x1) -> f3(x1) :|: x1 > 5 4.38/1.86 f4(x2) -> f2(x2) :|: TRUE 4.38/1.86 f3(x) -> f4(arith) :|: TRUE && arith = x - 1 4.38/1.86 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (5) IntTRSCompressionProof (EQUIVALENT) 4.38/1.86 Compressed rules. 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (6) 4.38/1.86 Obligation: 4.38/1.86 Rules: 4.38/1.86 f4(x2:0) -> f4(x2:0 - 1) :|: x2:0 > 5 4.38/1.86 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (7) RankingReductionPairProof (EQUIVALENT) 4.38/1.86 Interpretation: 4.38/1.86 [ f4 ] = f4_1 4.38/1.86 4.38/1.86 The following rules are decreasing: 4.38/1.86 f4(x2:0) -> f4(x2:0 - 1) :|: x2:0 > 5 4.38/1.86 4.38/1.86 The following rules are bounded: 4.38/1.86 f4(x2:0) -> f4(x2:0 - 1) :|: x2:0 > 5 4.38/1.86 4.38/1.86 4.38/1.86 ---------------------------------------- 4.38/1.86 4.38/1.86 (8) 4.38/1.86 YES 4.74/1.91 EOF